27740720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{49537}}^1$

素因数の和:49557

約数の個数: 40

約数和(自身を含む): 73712544

約数和(自身を除く): 45971824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 49537, 99074, 198148, 247685, 346759, 396296, 495370, 693518, 792592, 990740, 1387036, 1733795, 1981480, 2774072, 3467590, 3962960, 5548144, 6935180, 13870360, 27740720]

約数ペア:

[(1, 27740720), (2, 13870360), (4, 6935180), (5, 5548144), (7, 3962960), (8, 3467590), (10, 2774072), (14, 1981480), (16, 1733795), (20, 1387036), (28, 990740), (35, 792592), (40, 693518), (56, 495370), (70, 396296), (80, 346759), (112, 247685), (140, 198148), (280, 99074), (560, 49537)]